" By late 1940 the Japanese Foreign Ministry in Tokyo was sending secret messages to its U.S. embassy and various consulates requesting “utilization of our ‘Second Generations’ and resident nationals” to commit acts of espionage and to stir up antiwar feelings among “Negroes, communists, anti-Semites and labor union members.” The U.S. Office of Naval Intelligence reported that “a number of second-generation Japanese have been placed in airplane plants for intelligence purposes” and “will observe closely all shipments of airplanes and other war materials [from the West Coast] and report the amounts and destinations of such shipments.” The Japanese consulates were soon sending a series of detailed responses to the Tokyo authorities outlining almost every aspect of U.S. warplane production on the Pacific coast, as well as which warships were in harbor and which ones had sailed. "
― Winston Groom , 1942: The Year That Tried Men's Souls